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Yearly Archives: 2019

An artist’s rendition of the Tyrannosaurus rex with the 3D imaging showing muscle activation in its head. Illustration courtesy of Brian Engh.

T. rex used a stiff skull to eat its prey

Yellowstone National Park is an American national park located in Wyoming, Montana, and Idaho.

+20 Surreal Places To Visit in United States of America Before...

This image shows the divisions between Earth’s layers. The ancient, continent-sized rock regions encircle the liquid outer core. Credit: Lawrence Livermore National Laboratory

New study suggests gigantic masses in Earth’s mantle untouched for more...

A tiny sample of goldschmidtite found inside a diamond by U of A PhD student Nicole Meyer. The newly discovered mineral has high concentrations of elements seldom found in Earth’s mantle, suggesting it formed under extreme conditions. Credit: Nicole Meyer

Student discovers unusual new mineral inside a diamond

Illustration of the giant asteroid collision in outer space that produced the dust that led to an ice age on Earth. Credit: (c) Don Davis, Southwest Research Institute

Dust from a giant asteroid crash caused an ancient ice age

Photographs of alkaline magmatic intrusions in Greenland. The region was volcanically and tectonically active around 1.2 billion years ago. Although no longer active, it is of major interest to geologists because the subsequent uplift and glacial erosion have cut deep into the rift and exposed the magma chambers that once lay well below the surface. Greenland’s magmas were sourced from a mantle that was enriched and contaminated by ancient crustal materials. Credit: University of St Andrews

Ancient volcanoes reveal Earth’s recycled crust

The mineral olivine contains melt inclusions (black dots), just a few micrometers in size. The geochemists isolated these inclusions and investigated the isotopic composition with mass spectrometers. Credit: Münster University - Felix Genske

Geochemists measure new composition of Earth’s mantle

An artist's interpretation of the asteroid impact that wiped out all non-avian dinosaurs. Credit: NASA/Don Davis.

Rocks at asteroid impact site record first day of dinosaur extinction

Cryodrakon boreas. Credit David Maas

New reptile species was one of largest ever flying animals

Jurassic crocodile. Artist's impression (credit: Julia Beier)

Jurassic crocodile identified 250 years after fossil find

Origin of eukaryotes

Scientists identify rare evolutionary intermediates to understand the origin of eukaryotes

Giant extinct kangaroo

Giant Kangaroo Had Crushing Bites

Prof. Michael Coates holds a 3-D printed model of the Tristychius skull and jaws. Photo courtesy of Matt Wood

3-D reconstructions show how ancient sharks found an alternative way to...

Reconstruction of Mollisonia plenovenatrix, by Joanna Liang ©Royal Ontario Museum

Half-a-billion-year-old tiny predator unveils the rise of scorpions and spiders

The volcano Chimborazo, Ecuador, that Alexander von Humboldt surveyed in 1802. Photo: Spyros Theodoridis/CMEC

Why is Earth so biologically diverse? Mountains hold the answer

Pink Lake, Australia

Pink Lake : What is Pink Lake? What causes Pink Lake...

Emerald

Where to find Emerald Crystals in the United States?

A reconstruction of Kamuysaurus japonicus. Credit: Kobayashi Y., et al, Scientific Reports, September 5, 2019

A new duck-billed dinosaur, Kamuysaurus japonicus, identified

Visualization of the modelled coupled earthquake and tsunami across Palu Bay, from Ulrich et al., 2019: Left: Seismic waves being generated while the earthquake propagates southward in a ‘superfast’ manner. Warm colours denote higher movements across the geological faults and higher ground shaking (snapshot after 15 seconds of earthquake simulation time). Right: The movements of the earthquake beneath the bathtub shaped Palu Bay generate a ‘surprise’ tsunami (snapshot of the water waves aftee 20s of simulation time of the tsunami scenario). Image credit: LMU.

Role of earthquake motions in triggering a ‘surprise’ tsunami

Research vessel JOIDES Resolution off the coast of Hawaii. Credit: International Ocean Discovery Program.

Deep-sea sediments reveal solar system chaos: An advance in dating geologic...

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